TIRR Foundation

Nonprofit · Grant recipient Also a grantmaker → Houston, TX EIN 76-0185588

Funding Overview

From IRS Form 990 filings · 2019–2025

Total received

$6.7M

Foundation funders

36

Grants recorded

125

Years covered

2019–2025

Who funds TIRR Foundation?

TIRR Foundation is funded by 36 grantmakers, led by The Mary H Cain Foundation ($1.9M), Vivian L Smith Foundation ($700K), The Brown Foundation Inc ($600K). In total, IRS Form 990 filings record $6.7M in grants to TIRR Foundation between 2019–2025.

FunderTotal givenGrantsYears
The Mary H Cain Foundation$1,930,00052020–2024
Vivian L Smith Foundation$700,00072019–2024
The Brown Foundation Inc$600,00032023–2025
John S Dunn Foundation$500,00052020–2024
The WT & Louise J Moran Foundation$410,00042020–2024
Cullen Trust For Health Care$400,00052020–2024
The Ellwood Foundation$325,00062020–2025
Usaging$261,98032020–2022
MD Anderson Foundation$250,00042021–2024
The John M O'Quinn Foundation$215,00052020–2024
The Ralph A Johnston Foundation Inc$185,00052022–2025
Greater Houston Community Foundation$107,95082020–2024
The Elkins Foundation$100,00042021–2024
The Crain Foundation$100,00052020–2024
The William Stamps Farish Fund$100,00012020
Clark and Charlene Thompson Foundation$70,00032023–2025
The Clayton Fund Inc$70,00022023–2024
Raymond James Charitable Endowment Fund$65,92512025
Albert & Ethel Herzstein$50,00052020–2024
John P McGovern Foundation$40,00042021–2024
Jack H & William M Light$30,00032023–2025
Stedman West Foundation$25,00012021
The Howell Fund$24,00052021–2025
Richard Stodder Charitable Foundation$23,40052019–2025
Houston Jewish Community Foundation$11,25012020
Show all 36 funders

Funding over time

Grant dollars and counts received per year

$0$500K$1M$1.5M$2M3 grants2019 16 grants2020 20 grants2021 23 grants2022 24 grants2023 27 grants2024 12 grants2025

From 2019 to 2025, annual grant giving ranged from $108K (2019) to $2.0M (2024). In 2025 it made 12 grants totaling $433K.

What grants has TIRR Foundation received?

Individual grants from IRS Form 990 filings, newest first

YearFunderPurposeAmount
2025The Brown Foundation IncMission Connect$200,000
2025Raymond James Charitable Endowment FundGENERAL SUPPORT$65,925
2025The Ellwood FoundationREHABILITATION & RESEARCH$60,000
2025The Ralph A Johnston Foundation IncCamp Xtreme$50,000
2025Clark and Charlene Thompson FoundationMoran Camp Xtreme$20,000
2025Jack H & William M LightUNRESTRICTED$10,000
2025The Ralph A Johnston Foundation IncGeneral support$10,000
2025The Howell FundPUBLIC SUPPORT$5,000
2025Richard Stodder Charitable FoundationGENERAL SUPPORT$5,000
2025Re Smith FoundationGENERAL SUPPORT$3,000
2025CLC FoundationCONTRIBUTION$3,000
2025Greentree FundNEUROTRAUMA RESEACH$1,000
2024The Mary H Cain FoundationUNRESTRICTED$850,000
2024The Brown Foundation IncMission Connect$200,000
2024The WT & Louise J Moran FoundationTO FURTHER THE ORGANIZATION'S CHARITABLE MISSION.$100,000
2024John S Dunn FoundationGrant to support Mission Connect IP Award for traumatic brain injury or spinal cord injury.$100,000
2024Vivian L Smith FoundationSUPPORT MISSION CONNECT RESEARCH IN 2024$100,000
2024Vivian L Smith FoundationSUPPORT MISSION CONNECT RESEARCH$100,000
2024The Ralph A Johnston Foundation IncGeneral support$85,000
2024Cullen Trust For Health CareProgram support$75,000
2024The Ellwood FoundationREHABILITATION & RESEARCH$60,000
2024The John M O'Quinn FoundationTO SUPPORT MISSION CONNECT PROGRAM$50,000
2024MD Anderson FoundationThe Mission Connect Neurotrauma Research Award$50,000
2024The Clayton Fund IncTo support neurotrauma research program, Mission Connect$35,000
2024Clark and Charlene Thompson FoundationMoran Camp Xtreme$25,000
2024The Elkins FoundationIN SUPPORT OF THE MISSION CONNECT IP AWARD$25,000
2024Greater Houston Community FoundationHEALTH$23,000
2024The Crain FoundationFOR THE ADVANCEMENT OF MEDICAL TECHNOLOGY$20,000
2024Strake FoundationMoran Camp Xtreme$10,000
2024Jack H & William M LightUNRESTRICTED$10,000

Showing 30 most recent of 125 recorded grants.

Frequently Asked Questions

Who funds TIRR Foundation?

TIRR Foundation is funded by 36 grantmakers, led by The Mary H Cain Foundation ($1.9M), Vivian L Smith Foundation ($700K), The Brown Foundation Inc ($600K). In total, IRS Form 990 filings record $6.7M in grants to TIRR Foundation between 2019–2025.

Who is TIRR Foundation's largest funder?

The Mary H Cain Foundation is the largest recorded funder of TIRR Foundation, with $1.9M across 5 grants (2020–2024).

How much grant funding has TIRR Foundation received?

IRS 990 filings record $6.7M in grants to TIRR Foundation across 125 grants from 36 funders between 2019–2025. Filings are published on a delay, so recent grants may not appear yet.

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Grant data is drawn from IRS Form 990 filings via Grantable's GrantGraph™. Filings are published on a delay; recent grants may not appear yet.

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